Punctureless vehicle-tire.



P. H. CALMUS.

PUNGTURELBSS VEHICLE TIRE.

APPLICATION FILED JULY 1o, 1911.

Patented Apr. 15, 1913 P. H. CALMUS.

PUNCTURELESS VEHICLE TIRE.

APPLIOATION FILED JULY 10, 1911.

1,059, 1 15. Patented Apr. 15, 1913.

2 SHEETS--SHEBT 2.

. www w UNITED STATES PATENT OFFICE.

Pnnmrr n. cALiuus, or BIRMINGHAM, ALABAMA.

PUNCT'URELESS VEHICLE-TIRE.

Specification o! Letters Patent.

Patented Apr. 15, 1913.

applicants mea July 1o, 1911. serial No. 637,799.

To all wlw/m t may concern.'

Be it known that I, PHILLIP H. CALMUS,

a citizen or' the United States,` residing at' Birmingham,

A further object of my invention is to.

provide a greater amount of elasticity in a tire than is usually found.

With these objects in View I have illustrated my invention in the accompanying drawings, described the same in the speciication and claimed the essential parts thereof.. I

In the drawings: Figure l is a side elevation oit the punctureless tire and cushions; Fig. 2 is an end view of the tireshown in Fig. l; Fig. 3 is a detail view of a portion of the tire and cushion inflated; Fig. 4 is a side elevation of the tire and cushion mounted upon a wheel; Fig. 5 is a sectional view through air cushion shown in Fig. l; Fig. 6 is a side view of the solid rubber tire showing recesses in dotted lines; Fig. 7 is a cross sectional View of a portion of the rubber tire showing the recess into which the cushion is adapted to fit; Fig. 8 is a detail View showing 'the said recess as seen from the inner side of the solid rubber tire; Fig. 9 is an end view, with parts broken away, showing the mannerv in which the inner tube is mounted upon a wheel and the solid rub ber tube is fitted over the cushions; and Fig. it) is a side elevation of a. wheel equipped with my invention. i

.Referring to the drawings, c represents the inner tube and b the cushions which are made 1n one piece wlth said inner tube. f

(Figs. 7 and 8.) shows the recesses in the solid rubber tire g into which the said cushions b are adapted to fit. These reses f)are lined with "metal as shown at c It will readily be seen that by meansof my invention practically a punctureless tire is provided, as the cushions, formed with the inner tube, when inflated, fit into the metal lined recesses in the solid rubber tire. There is no way in which the inner tube can be reached by anything which would tend to produce a puncture, since it does not come into contact with the solid rubber tire excepting at the points where the cushions, formed integral with said 'inner tube fit into the met-a1 lined recesses in the solid tire.. This is well illustrated in Fig..10. It is also clear, from the showing made in Fig. 10, that the tire has a great amount of resiliency or elasticity.

Y While I have shown but five cushions in my drawings, it is obvious that bot-h the number and size of the said cushions may be 'varied without departing from the spirit and scope of my invention.

What I claim is: i

In a vehicle tire, a solid .rubber tire, having wedge-shaped recesses formed at intervals upon its hub side, an inflatable inner tube, air cushions made integral with said inner tube, said cushions being adapted to 'fit into said wedge-shaped recesses in the solidrubberK4 tire, wher-eb the inner tube 5 is protected and held iirm y from motion relative to said solid rubber tire.

In testimony whereof I aibn my signature PHILLIP H. CALMUS.

In the resence of- F; BERKSTRASER, T. T. PARKER. 

